Home / 831,596,563,260.40-1,247,394,844,890.60-778,700,752,495.60

Finding the Fourth Proportional to 831,596,563,260.40, 1,247,394,844,890.60 and 778,700,752,495.60

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Solution

The fourth proportional to 831,596,563,260.40, 1,247,394,844,890.60 and 778,700,752,495.60 is: 1,168,051,128,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,596,563,260.40 : 1,247,394,844,890.60 = 778,700,752,495.60 : x
  2. Step 2: Convert to fraction form
    831,596,563,260.40/1,247,394,844,890.60 = 778,700,752,495.60/x
  3. Step 3: Cross multiply
    831,596,563,260.40x = 1,247,394,844,890.60 × 778,700,752,495.60
  4. Step 4: Simplify right side
    831,596,563,260.40x = 971,347,304,375,442,533,777,408
  5. Step 5: Solve for x
    x = 971,347,304,375,442,533,777,408/831,596,563,260.40
  6. Step 6: Final answer
    x = 1,168,051,128,743.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.